O13.9Billable

Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester

Short description: Gestational htn w/o significant proteinuria, unsp trimester

Chapter
15. Pregnancy, childbirth and the puerperium
Category
O13
Effective date
October 1, 2026

Related codes in category O13

Frequently asked questions

What is ICD-10 code O13.9?

O13.9 is an ICD-10-CM diagnosis code for Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester.

Is O13.9 a billable code?

Yes. O13.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is O13.9 in?

O13.9 falls under Chapter 15: Pregnancy, childbirth and the puerperium.

When did O13.9 become effective?

O13.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to O13.9?

O13.9 belongs to category O13, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.